CVE-2026-2550
CWE-284Published: February 16, 2026· Updated: Feb 18, 2026
Official Description
A vulnerability was found in EFM iptime A6004MX 14.18.2. Affected is the function commit_vpncli_file_upload of the file /cgi/timepro.cgi. The manipulation results in unrestricted upload. The attack may be performed from remote. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Risk Analysis
This critical vulnerability in EFM iptime A6004MX allows for unrestricted file upload, potentially leading to remote code execution and full system compromise. The CVSS score of 9.8 indicates a severe risk, though the EPSS score is very low, suggesting a low likelihood of widespread exploitation.
A proof-of-concept exploit has been made public, increasing the risk of exploitation. It is remotely exploitable without authentication due to its network attack vector and low attack complexity.
There is no specific patch guidance from the vendor. Implement strict file upload policies and ensure all uploaded files are scanned and validated. Consider restricting access to the affected cgi script.
Technical Analysis
CVE-2026-2550 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
A proof-of-concept (PoC) exploit exists for CVE-2026-2550. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (4)
Quick Facts
Related CVEs (CWE-284)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-2550 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts